forked from sheetjs/sheetjs
40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
/* [MS-XLSB] 2.4.219 BrtBeginSst */
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function parse_BrtBeginSst(data, length) {
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return [data.read_shift(4), data.read_shift(4)];
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}
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/* [MS-XLSB] 2.1.7.45 Shared Strings */
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function parse_sst_bin(data, opts)/*:SST*/ {
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var s/*:SST*/ = ([]/*:any*/);
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var pass = false;
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recordhopper(data, function hopper_sst(val, R, RT) {
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switch(R.n) {
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case 'BrtBeginSst': s.Count = val[0]; s.Unique = val[1]; break;
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case 'BrtSSTItem': s.push(val); break;
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case 'BrtEndSst': return true;
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/* TODO: produce a test case with a future record */
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case 'BrtFRTBegin': pass = true; break;
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case 'BrtFRTEnd': pass = false; break;
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default: if(!pass || opts.WTF) throw new Error("Unexpected record " + RT + " " + R.n);
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}
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});
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return s;
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}
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function write_BrtBeginSst(sst, o) {
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if(!o) o = new_buf(8);
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o.write_shift(4, sst.Count);
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o.write_shift(4, sst.Unique);
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return o;
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}
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var write_BrtSSTItem = write_RichStr;
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function write_sst_bin(sst, opts) {
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var ba = buf_array();
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write_record(ba, "BrtBeginSst", write_BrtBeginSst(sst));
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for(var i = 0; i < sst.length; ++i) write_record(ba, "BrtSSTItem", write_BrtSSTItem(sst[i]));
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write_record(ba, "BrtEndSst");
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return ba.end();
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}
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